Header Exhaust Pipe for Polaris RZR 800 EFI 2011-2014 / RZR S 800 EFI 2009-2013

Performance Header Exhaust Pipe for Polaris RZR 800 EFI – 800cc Parallel Twin

Who Is This For? Designed specifically for Polaris RZR 800 owners running the high-torque 800cc EFI engine who need a reliable high-mileage refresh. Whether you are navigating tight wooded trails or wide-open dunes, this header is built for those who require consistent power without the annoying "exhaust tick" of a failing manifold.

The Heat-Fatigued Manifold: After years of extreme heat cycles and sudden cooling from water crossings, the factory manifold on your RZR 800 becomes brittle and prone to cracking. You might notice a loss in low-end torque or a loud, distracting exhaust leak that lets heat soak into your engine bay. When your engine can’t breathe against backpressure from a warped flange or restricted pipe, your throttle response falls flat right when you need it most.

The Engineering Solution: We have engineered this header to restore and optimize exhaust scavenging for the Polaris 800 platform. Constructed from heavy-duty steel with a high-temperature protective coating, this pipe features a precise 504.8mm length to ensure maximum exhaust velocity. By eliminating the turbulence found in cracked or rusted factory units, this replacement restores the backpressure balance needed for the 800cc Parallel Twin to run at peak efficiency.

The Comparative Edge: Why This Beats the Competition

• Restored Throttle Response: Optimized scavenging allows the engine to clear spent gases faster, resulting in smoother acceleration compared to leaking stock units.
• High-Temp Protective Coating: Finished with a thermal-resistant layer to prevent the rapid corrosion and surface rusting commonly seen on generic, uncoated aftermarket pipes.
• Precision Chassis Fitment: Engineered to a height of 231.8mm for a direct bolt-on installation using OEM mounting points—no cutting, welding, or chassis modification required.

Technical Specifications & Factory Ratings

Compatibility & OEM Reference

Fits the Following Vehicles:

• 2011–2014 Polaris RZR 800 EFI
• 2009–2013 Polaris RZR S 800 EFI
• 2012–2014 Polaris RZR 4 800 EFI

Interchange Part Numbers:

1262319-489, 1261937-489

The Performance Promise

Buy with confidence. This header is designed to withstand the vibrations and thermal stress of aggressive off-road use. Backed by real automotive experts and fast shipping to get your RZR back on the trail.